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Levy DE, Rigotti NA, Winickoff JP.Levy DE, et al. Among authors: rigotti na.BMC Health Serv Res. 2011 May 25;11:125. doi: 10.1186/1472-6963-11-125.BMC Health Serv Res. 2011.PMID: 21612635Free PMC article.
Park ER, Wolfe TJ, Gokhale M, Winickoff JP, Rigotti NA.Park ER, et al. Among authors: rigotti na.J Gen Intern Med. 2005 May;20(5):386-91. doi: 10.1111/j.1525-1497.2005.0024.x.J Gen Intern Med. 2005.PMID: 15963158Free PMC article.
Levy DE, Thorndike AN, Biener L, Rigotti NA.Levy DE, et al. Among authors: rigotti na.Tob Control. 2007 Dec;16(6):384-9. doi: 10.1136/tc.2007.021485.Tob Control. 2007.PMID: 18048614Free PMC article.